驱动电路

The rays passed through a condensing lens and formed a light pole with the diameter of 20 mm.

摘 要：通过直流电路驱动红外二级管发出的红外光恒功率发射，红外光经过聚光透镜，形成直径为20 mm的光柱。

It is composed of rod and control driver circuit.

由磁棒和驱动控制电路两部分组成。

Basing on the speed control and reversing control in hardware control circuit, software control program realized the rectilinear motion and simple curvilinear motion of an omni-directional mobile robot.

软件控制程序在硬件控制电路实现的调速控制和换向控制的基础上，通过编程实现全向轮驱动小车的直线运动和简单的曲线运动。

The circuit of power driver is composed of IR21365 and IRFP460 whose safeguard ensure the safety of system.

功率驱动部分采用IR21365和IRFP460构成的逆变电路，良好的保护措施保障了系统的安全。

A DC motor driver with constant frequency PWM is developed based on PIC, and the running performance of the DC motor is improved greatly.

另外使用PIC器件完成了单芯片集成式运行电路的设计，实现了直流电机的正常驱动，简化了控制逻辑系统。

The research about the critical technique includes: developing the radiation-hard CCD sensitive to the X and EUV ray; implementing the design of CCD driving clock and signal readout electronic using CPLD; implementing shutter design which can realizing 1ms - 10s exposing time.

关键技术突破包括：完成X射线和极紫外波段都敏感的抗辐照型CCD技术设计，并利用CPLD实现了非规则像素阵列CCD的驱动时序和读取电子学电路设计和调试：完成1ms～10s宽动态范围快门装置设计和调试。

The collector in dynatron of smooth Ou photosensitive or blast off extremely direct receive laden resistor to be able to satisfy lesser laden requirement; to be in of dynatron of smooth Ou photosensitive blast off extremely add dynatron enlarge drive, the push-pull type circuit that through two photoelectricity coupler makes and feedbacking through increasing photosensitive dynatron base, reach stronger laden capacity already, increased the interference rejection capacity of power interface, the outputs power inadequacy weakness that overcame smooth Ou, raise the switch rate of smooth Ou again, overcame the distributinging capacitance as a result of existence of smooth Ou oneself, cause an effect to transmitting speed.

在光耦光敏三极管的集电极或发射极直接接负载电阻即可满足较小的负载要求；在光耦光敏三极管的发射极加三极管放大驱动，通过两只光电耦合器构成的推挽式电路以及通过增加光敏三极管基极正反馈，既达到较强的负载能力，提高了功率接口的抗干扰能力，克服了光耦的输出功率不足的缺点，又提高光耦的开关速度，克服了由于光耦自身存在的分布电容，对传输速度造成影响。

It is an active method that elimination or reducing the harmonic of the utilities by itself, and is superior to the harmonic compensation.

各国学者从电路拓扑、控制策略和建模分析等角度进行了深入研究，然而现有的模型和驱动方式尚不够完善。

The logical part of the driver uses a high grade single chip microcontroller.The driver has a special structure switching main circuit,therefore it eliminates the driving chip of the power devices.The driver needs only one exterior power supply.

驱动器逻辑部分采用高性能的单片机，开关主电路中采用特殊结构，省去了功率器件的驱动芯片，整个驱动器只需一个外部电源。

The operational principle of the proposed system is presented with theoretical analysis. Some methods to drive metallic oxide semiconductor field effect transistor are introduced.

从理论上详细分析了电路的工作原理，并且介绍了相关金属氧化物半导体场效应管的栅极驱动方法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。